*{
    margin: 0px;
    padding: 0px;
    font-size: 12px;
    font-family: "Verdana","宋体";
}
ul{
    list-style: none;
}
a{
    text-decoration: none;
}
.content{
    width: 960px;
    height: 800px;
    margin: 0px auto;
}
.header{
    height:48px ;
    position: relative;
    margin-top: 10px;
}
.header img:nth-of-type(2){
    position: absolute;
    right: 150px;
}
.header>ul{
    float: right;
    margin-top:12px ;
    background: #EAFFFA;
    height: 35px;
    line-height: 35px;
    border: 1px solid #C8ECE3;
}
.header>ul>li{
    display: inline-block;
    margin-left: 5px;
}
.header a{
    color: #7B7B7B;
}
.menu{
  margin-top: 8px;
}
.menu ul{
    height: 36px;
    background-image: url("img/menuBg.jpg");
    line-height: 36px;
}
.menu li{
    display: inline-block;
    margin-left: 25px;
}
.menu a{
    color: #ffffff;
}
.book{
    height: 360px;
    border: 3px solid #C6E6A2;
    margin-top: 15px;
}
.book>div:nth-child(1){
    margin-top: 20px;
    margin-left: -15px;
}
.bookleft{
    width: 550px;
    float: left;
    margin-top: 20px;
}
.bookright{
    width: 400px;
    float: right;
    margin-top: 20px;
}
.dtleft{
    float: left;
    position: relative;
}
.dtleft>img:last-child{
    position: absolute;
    left: 18px;
}
.ddright{
    float: left;
    margin-top: 10px;
}
.ddright>p{
    margin-top: 10px;
}
.ddright>p:last-child{
    line-height: 25px;
}
.ddright span{
    color: #9D324A;
    font-weight: bold;
}
.ddright span:last-child{
    color: blue;
    font-weight: bold;
    margin-left: 10px;
}
.footer{

    text-align: center;
}
.footer>img{
    vertical-align: middle;
}